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To merge multiple PDF files into one using iTextSharp in C#, you create a Document, attach a PdfCopy writer to an output file, open the document, and copy every page of every input PDF into it. In this article you'll build a reusable MergeMultiplePDF method that does exactly that. Then you'll use it in a real scenario: exporting several Crystal Repo...
Copying a table out of a PDF and pasting it into Excel is slow, and it's easy to shift a column or drop a row without noticing. If you handle invoices, financial statements, or research tables, those hours add up.
The short answer: use Camelot to detect the tables in a text-based PDF, clean each one with pandas, and write the result to a .xls...
The short answer: Don't store JSON Web Tokens (JWTs) in localStorage, because any JavaScript running on your page can read them. In ASP.NET Core, keep the short-lived access token in your app's memory and send the long-lived refresh token in an HttpOnly, Secure cookie that scripts can't read. The browser then attaches that cookie only to your auth endpoints. This shrin...
The short answer: Use Angular Signals for synchronous state that a component owns and shows in its template, such as counters, toggles, and derived totals. Use RxJS for asynchronous streams, such as debounced search boxes, WebSockets, and multi-step request flows, where operators like switchMap and debounceTime do the heavy lifting. For simple "fetch data and s...
The short answer: To upgrade to .NET 10 from .NET 8 or 9, install the .NET 10 SDK, change your target framework moniker (TFM) to net10.0, move your Microsoft packages to 10.0.x, rebuild, and fix what the compiler and your tests report. In an ASP.NET Core Web API, that usually means the OpenAPI setup, a few EF Core behavior changes, your Docker base images, and s...